Query About Astigmatism. In astigmatism?

Doctor, I Have Astigmatism. Doctor Diagnosed Me To The Disease Using Slit-Lamp. For The Astigmatism, I'm Having Double Vision (Monocular). After Wearing Doctor's Prescribed Glasses, The Double Vision Reduce Approximately 70-90% But Not Fully Gone. I Have Reported This To Doctor And He Told Me That The Remnant Double Vision Which I'm Having Even After Wearing Glasses Are Normal And Will Presist. I Also Take A Second Opinion And The Second Doctor Told Me The Same Thing As The First Doctor. My Eyeglasses Power Are: LE-(SPH:-2.50,CYL:-0.50,AXIS:065°), RE-(SPH:-0.75,CYL:-1.00,AXIS:090°). Because Of Panick, I Also Asked The Doctor That If I Have Keratoconus. The Doctor Then Told Me That I Have No Keratoconus. Now, Please Answer The Following Queries. 1) Why The Double Vision Not Fully Going Even After Wearing Glasses? 2) Why Doctor(s) Told Me That The Remnant Double Vision is Normal? 3) Is The Remnant Double Vision After Wearing Glasses Are Normal in Astigmatism? Please Answer, Doctor.